Search Result：atomic number 84
atomic number 84 
(TTS Sound)
(TTS Sound)Overview of noun atomic_number_84
The noun atomic number 84 has 1 sense
- polonium, Po, atomic number 84 -- (a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor)